This minor release includes support for the new File Input Block Kit Element, which allows for users to submit files using Block Kit. It also removes all traces of vulnerable versions of the axios dependency.
file_input block element payload support in TS by @seratch in https://github.com/slackapi/bolt-js/pull/1995rich_text_input block element payload support in TS by @seratch in https://github.com/slackapi/bolt-js/pull/1963SocketModeReceiver to be used with Socket Mode by @zimeg in https://github.com/slackapi/bolt-js/pull/1972ExpressReceiver by @zimeg in https://github.com/slackapi/bolt-js/pull/1973Full Changelog: https://github.com/slackapi/bolt-js/compare/@slack/bolt@3.14.0...@slack/bolt@3.15.0
Fetched April 3, 2026